<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <!--概述-->
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc">
          <star :size="36" :score="seller.score">{{seller.score}}</star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>分钟
            </div>
          </li>
        </ul>
        <!--收藏-->
        <div class="favorite" @click="toggleFavorite">
          <span class="icon-favorite" :class="{'active':favorite}"></span>
          <span class="text">{{favoriteText}}</span>
        </div>
      </div>
      <!--分割线-->
      <split></split>
      <!--商家公告-->
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">
            {{seller.bulletin}}
          </p>
        </div>
        <!-- supports内容 -->
        <ul v-if="seller.supports" class="supports">
          <li class="support-item" v-for="(item,index) in seller.supports">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text"> {{seller.supports[index].description}} </span>
          </li>
        </ul>
      </div>
      <split></split>
      <!--图片区块-->
      <div class="pics">
        <h1 class="title">商家实景</h1>
        <div class="pic-wrapper" ref="picWrapper">
          <ul class="pic-list" ref="picList">
            <li class="pic-item" v-for="pic in seller.pics">
              <img :src="pic" alt="" :width="120" :height="90">
            </li>
          </ul>
        </div>
      </div>
      <split></split>
      <!--商家信息-->
      <div class="info">
        <h1 class="title">商家信息</h1>
        <ul>
          <li class="info-item" v-for="info in seller.infos">
            {{info}}
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>
<script type="text/ecmascript-6">
    //引进BScroll实现页面滚动
    import BScroll from 'better-scroll';
    //引进star评分组件
    import star from '../../components/star/star'
    //引进分割线split
    import split from '../../components/split/split'
    import {saveToLocal, loadFromLocal} from '../../common/js/util'
    export default {
      props: {
        seller: {
          type: Object
        }
      },
      data(){
        return {
          favorite:(() => {
            return loadFromLocal(this.seller.id, 'favorite', false);
          })()
        };
      },
      created() { //主要看这个classMap
        this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
      },
      //vue2.0中mounted替换了ready()(dom渲染完毕)
      mounted() {
        this._initScroll();
        this._initPicScroll()
      },
      //watch  监控seller
      watch: {
        'seller'() {
          this.$nextTick(() => {
            this._initScroll();
            this._initPicScroll()
          })
        }
      },
      components: {
        star,
        split
      },
      computed:{
        favoriteText(){
          return this.favorite ? "已收藏": "收藏"
        }
      },
      methods: {
        //初始化滚动条（竖向滚动）
        _initScroll(){
          if(!this.scroll){
            this.scroll=new BScroll(this.$refs.seller,{
              click:true
            })
          }else{
            this.scroll.refresh();
          }
        },
        //商家实景图片横向滚动
        _initPicScroll(){
          if(this.seller.pics){
            let picWidth=120;
            let margin=6;
            let width=(picWidth+margin)*this.seller.pics.length-margin;
            this.$refs.picList.style.width=width+"px";
            this.$nextTick(()=>{
              if(!this.picScroll){
                this.picScroll=new BScroll(this.$refs.picWrapper,{
                  scrollX:true,//横向滚动
                  eventPassthrough:"vertical"//也不影响竖向滚动
                })
              }else{
                this.picScroll.refresh();
              }
            })
          }
        },
        //是否点亮红心
        toggleFavorite(event){
          //防止pc多次点击
          if(!event._constructed) return;
          this.favorite= !this.favorite;
          saveToLocal(this.seller.id,'favorite',this.favorite);
        }
      }

    }

</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/icon.styl"
  @import "../../common/stylus/mixin.styl"
  .seller
    position: absolute
    top: 174px
    bottom: 0
    left: 0
    width: 100%
    overflow: hidden
    .overview
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .desc
        padding-bottom: 18px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 0
        .star
          display: inline-block
          margin-right: 8px
          vertical-align: top
        .text
          display: inline-block
          margin-right: 12px
          line-height: 18px
          vertical-align: top
          font-size: 10px
          color: rgb(77, 85, 93)
      .remark
        display: flex
        padding-top: 18px
        .block
          flex: 1
          text-align: center
          border-right: 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border: none
          h2
            margin-bottom: 4px
            line-height: 10px
            font-size: 10px
            color: rgb(147, 153, 159)
          .content
            line-height: 24px
            font-size: 10px
            color: rgb(7, 17, 27)
            .stress
              font-size: 24px
      .favorite
        position: absolute
        width: 50px
        right: 11px
        top: 18px
        text-align: center
        .icon-favorite
          display: block
          margin-bottom: 4px
          line-height: 24px
          font-size: 24px
          color: #d4d6d9
          &.active
            color: rgb(240, 20, 20)
        .text
          line-height: 10px
          font-size: 10px
          color: rgb(77, 85, 93)
    .bulletin
      padding: 18px 18px 0 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .content-wrapper
        padding: 0 12px 16px 12px
        border-1px(rgba(7, 17, 27, 0.1))
        .content
          line-height: 24px
          font-size: 12px
          color: rgb(240, 20, 20)
      .supports
        .support-item
          padding: 16px 12px
          border-1px(rgba(7, 17, 27, 0.1))
          font-size: 0
          &:last-child
            border-none()
        .icon
          display: inline-block
          width: 16px
          height: 16px
          vertical-align: top
          margin-right: 6px
          background-size: 16px 16px
          background-repeat: no-repeat
          &.decrease
            bg-image('decrease_4')
          &.discount
            bg-image('discount_4')
          &.guarantee
            bg-image('guarantee_4')
          &.invoice
            bg-image('invoice_4')
          &.special
            bg-image('special_4')
        .text
          line-height: 16px
          font-size: 12px
          color: rgb(7, 17, 27)
    .pics
      padding: 18px
      .title
        margin-bottom: 12px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .pic-wrapper
        width: 100%
        overflow: hidden
        white-space: nowrap
        .pic-list
          font-size: 0
          .pic-item
            display: inline-block
            margin-right: 6px
            width: 120px
            height: 90px
            &:last-child
              margin: 0
    .info
      padding: 18px 18px 0 18px
      color: rgb(7, 17, 27)
      .title
        padding-bottom: 12px
        line-height: 14px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 14px
      .info-item
        padding: 16px 12px
        line-height: 16px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 12px
        &:last-child
          border-none()
</style>
